Générique complet
Thumbtanic
Steve Oedekerk
Jake / Designer / Stevine Odion / 'We've Been Hit' (voice)
Mary Jo Keenen
Geranium / Old Geranium (voice)
Paul Greenberg
The Captain / 'Lovely Ship' Steward / Lice Checker #1 (voice)
Rob Paulsen
Mr. Prickle / Bartender / Lice Checker #2 (voice)
Mark DeCarlo
The Interviewer / TV Anchor / Elvis / Lookout #2 / Rich Man at Dinner / 'Shuffle Board Finals?' (voice)
Tony Pyle
Submarine Pilot / Excited One-Eyed Thumb / Lookout #3 (voice)
Eric Trueheart
'All Aboard' Steward / 'Good Gravy, What a Ship!' / 'Lovely Ship' Balloon Head (voice)
Jenny Rose
What a Lovely Big Ship!' / 'We're Going Down! (voice)
Joe Liss
It's a Big Ship!' / Bedwetter / 'I Wet Myself (voice)
Heidi Fugeman
Ship Must go on for Miles (voice)
Tim Tarkinan
It's a Big Ship (voice)
David Floyd
Baldie the Thumb Wrestler / Lookout #1 / Boiler Room Guy #2 / 'Next' Steward / Boiler Room Guy #2 / Lookout #1 / Sex Change Buyer / 'It's a Gigantic Spider!' / Budget Saving Man (voice)
Megan Cavanagh
Geranium's Servant / Rich Woman at Dinner / Budget Saving Man's Wife (voice)
Jim Jackman
Dentist / Boiler Room Guy #1 / Baby and Sex Change Barker / 'I Can't Swim!' (voice)
Jim Hope
I'm Really a Woman / Lookout #4 / Life Jacket Guy (voice)
Matthew Aufdenspring
We're Sinking! (voice)
Mary Mares
No We Can't Be Sinking (voice)
John Laus
Baby Buyer / Piano Man (voice)